#include<bits/stdc++.h>
#define int long long 
using namespace std;
namespace IO
{
	char buff[1<<21],*p1=buff,*p2=buff;
	char getch(){return p1==p2&&(p2=((p1=buff)+fread(buff,1,1<<21,stdin)),p1==p2)?EOF:*p1++;}
	template<typename T>void read(T &x){char ch=getch();int fl=1;x=0;while(ch>'9'||ch<'0'){if(ch=='-')fl=-1;ch=getch();}while(ch<='9'&&ch>='0'){x=x*10+ch-48;ch=getch();}x*=fl;}
	template<typename T>void read_s(T &x){char ch=getch();while(ch<'a'||ch>'z')ch=getch();while(ch>='a'&&ch<='z'){x+=ch;ch=getch();}}
	template<typename T,typename ...Args>void read(T &x,Args& ...args){read(x);read(args...);}
	char obuf[1<<21],*p3=obuf;
	void putch(char ch) {if(p3-obuf<(1<<21))*p3++=ch;else fwrite(obuf,p3-obuf,1,stdout),p3=obuf,*p3++=ch;}
	char ch[100];
	template<typename T>void write(T x) {if(!x)return putch('0');if(x<0)putch('-'),x*=-1;int top=0;while(x)ch[++top]=x%10+48,x/=10;while(top)putch(ch[top]),top--;}
	template<typename T,typename ...Args>void write(T x,Args ...args) {write(x);write(args...);}
	void put(string s){for(int i=0;i<s.size();i++)putch(s[i]);}
	void flush(){fwrite(obuf,p3-obuf,1,stdout);}
}
using namespace IO;
int t,n;
signed main()
{
	freopen("tree.in","r",stdin);
	freopen("tree.out","w",stdout);
	read(t);
	while(t--)
	{
		read(n); 
		write((int)ceil(2.0*sqrt(n))+1);
		putch('\n');
	}
	flush();
	return 0;
}
/*
5 480267325 631265687
*/
